Taligent had their own compiler and used something similar to what the ObjC 2 ABI uses for ivars for all member variables and functions to eliminate the fragile

Taligent had their own compiler and used something similar to what the ObjC 2 ABI uses for ivars for all member variables and functions to eliminate the fragile base class problem. “Using C++” may have been part of their problem, but not for the same reasons as it was for BeOS.